Bachmanniomyces punctum (Bachmanniomyces uncialicola) # Lichenicolous fungus. Photographs on Cladonia uncialis Usually occurs on the podetia (but occasionally the squamules) of Cladonia species, but is most frequently recorded from Cladonia uncialis. BLS conservation evaluation: LC NS Large gall-like swellings distort the host thallus and contain pycnidia immersed in the galls. The conidiomata (blister-like fruiting structures) are pinkish-orange becoming browner. Conidia abundant, 7-10.5 x 4.5-6 µm. The flat blackish-brown apothecia often form in groups, the spores simple, hyaline, (7-)8-11.5(-12) x 2.5-3.5(-4) µm. Similar: Diploschistes muscorum is initially parasitic on Cladonia spp.

Bachmanniomyces uncialicola
Studland Heath, Dorset. April 2013 and October 2014